Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278163 | Pyridazinone derivatives and compositions for controlling and/or preventing insect pests | Tomoyuki Ogura, Yasuo Kawamura, Toshiyuki Umehara, Toshiro Miyake, Hiroshi Haruyama | 1994-01-11 |
| 4945091 | 3(2H)-pyridazinone compounds derivatives and compositions for controlling and/or preventing insect pests intermediates for such compounds, and a process for their manufacture | Takahiro Makabe, Tomoyuki Ogura, Yasuo Kawamura, Kiminori Hirata, Masaki Kudo +2 more | 1990-07-31 |
| 4908379 | Nitrogen-containing heterocyclic compounds and compositions for controlling and/or preventing pests and blights (diseases) | Yasuyuki Nakajima, Takahiro Makabe, Kazunari Nakayama, Kiminori Hirata, Masaki Kudo +2 more | 1990-03-13 |
| 4837345 | Process for the production of tetrahydropyran-3-one derivatives | Masataka Hatanaka, Junichi Watanabe | 1989-06-06 |
| 4824474 | Quinoline derivatives and herbicidal compositions and method of use thereof | Masataka Hatanaka, Junichi Watanabe, Takasi Ikai, Tsutomu Nawamaki, Kenji Hattori | 1989-04-25 |
| 4696694 | Pyridine derivatives and their herbicidal compositions | Masataka Hatanaka, Junichi Watanabe, Takasi Ikai, Tsutomu Nawamaki, Kenji Hattori | 1987-09-29 |
| 4555671 | Circuit for driving a signal meter for a receiver | — | 1985-11-26 |
| 4539697 | FM Stereo demodulating circuit | Kohji Ishida, Masaharu Sakamoto | 1985-09-03 |
| 4523329 | FM receiver | Kohji Ishida, Masaharu Sakamoto | 1985-06-11 |
| 4508561 | 1-Phenylethyl sulfone derivatives of 2-pyridyl-N-oxides and herbicidal compositions containing same | Gozyo Sakata, Kenzi Makino, Takuya Kakuta, Kazuya Kusano, Takasi Ikai +1 more | 1985-04-02 |
| 4502148 | FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal | Kohji Ishida, Tadashi Noguchi | 1985-02-26 |
| 4497063 | FM stereo demodulator | Kohji Ishida, Tadashi Noguchi | 1985-01-29 |
| 4495469 | Differential amplifier output leading circuit, and intermediate frequency amplifier using same | — | 1985-01-22 |
| 4489430 | FM Stereo demodulation circuit | Kohji Ishida, Tadashi Noguchi | 1984-12-18 |
| 4468537 | Sound system having suppression of AM stereophonic receiving circuit-induced noise | Akira Nishioka, Hitoshi Hirata | 1984-08-28 |
| 4462994 | N-Containing heterocyclic ring-substituted O-arylphosphate derivatives, preparation thereof, and insecticides, acaricides and nematocides containing said derivatives | Gojyo Sakata, Kazuya Kusano, Masayoshi Hirose, Kiminori Hirata | 1984-07-31 |
| 4409436 | Stereo pilot signal eliminating circuit for AM stereophonic receiver | Akira Nishioka, Hitoshi Hirata | 1983-10-11 |
| 4399324 | Multiplex demodulation circuit | Kohji Ishida | 1983-08-16 |
| 4383136 | Muting circuit for AM stereophonic receiver | Akira Nishioka, Hitoshi Hirata | 1983-05-10 |
| 4315221 | Switching circuit | Kohji Ishida | 1982-02-09 |
| 4283793 | Muting signal generation circuit for an FM receiver | — | 1981-08-11 |
| 4280101 | Stereophonic signal demodulation circuit | Kohji Ishida | 1981-07-21 |
| 4274057 | MPX Stereophonic demodulation | Kohji Ishida | 1981-06-16 |
| 4244055 | Tuner with phase locked loop synthesizer | Akira Misawa | 1981-01-06 |
| 4228542 | Digital tuning FM stereophonic receiver including phase locked loop synthesizer | Akira Misawa | 1980-10-14 |